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Official data from INPI

TUBO REVESTIDO E METODO PARA SUA OBTENCAO

ConcedidaInvention Patent

Application data

Number

PI7907233

Type

Invention Patent

Filing

11/06/1978

Publication

-

Progress at the INPI

  1. Filing11/06/78
  2. Publication
  3. Examination11/03/82
  4. Allowance09/27/83
  5. Grant03/27/84
  6. Terminated09/25/90

The patent was granted on 03/27/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KENDALL & CO

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Inventors

D. L. (pessoa física)

J. E. (pessoa física)

S. C. (pessoa física)

T. S. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

01/17/1984

RPI 691

Deferimento

#9.1

09/27/1983

RPI 675

Republicação - classificação IPC

#15.11

09/06/1983

RPI 672

Solicitação de exame técnico

#4.1

11/03/1982

RPI 628

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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